} else {
            final String[] newQuery = Arrays.copyOf(query, query.length + 1);
            newQuery[query.length] = s;
            query = newQuery;
        }
        if (logger.isDebugEnabled()) {
            logger.debug("loaded facet query: {}", s);
        }
    }

    @Override
    public String toString() {

    }

    @Override
    public void info(final String message, final Throwable t) {
        logger.logp(Level.INFO, sourceClass, null, message, t);
    }

    @Override
    public boolean isDebugEnabled() {
        return logger.isLoggable(Level.FINE);
    }

    @Override
    public void debug(final String message) {
        logger.logp(Level.FINE, sourceClass, null, message);
    }

    @Override

        int len = 0;
        while ( buffer[ bufferIndex + len ] != (byte) 0x00 || buffer[ bufferIndex + len + 1 ] != (byte) 0x00 ) {
            len += 2;
            if ( len > maxLen ) {
                if ( log.isDebugEnabled() ) {
                    log.warn("Failed to find string termination with max length " + maxLen);
                    log.debug(Hexdump.toHexString(buffer, bufferIndex, len));
                }

        return MatchAllDocsQuery.class.getSimpleName();
    }

    @Override
    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (logger.isDebugEnabled()) {
            logger.debug("{}:{}", query, boost);
        }
        return QueryBuilders.matchAllQuery();
    }

    protected LayeredConnectionSocketFactory sslSocketFactory;

    @Override
    public synchronized void init() {
        if (httpClient != null) {
            return;
        }

        if (logger.isDebugEnabled()) {
            logger.debug("Initializing {}", HcHttpClient.class.getName());
        }

        super.init();

        // robots.txt parser

            schemaFactory.setProperty(XMLConstants.ACCESS_EXTERNAL_SCHEMA, "");
            schemaFactory.setProperty(XMLConstants.ACCESS_EXTERNAL_DTD, "");
        } catch (final Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("Failed to set a property.", e);
            }
        }
    }

    protected void showFieldLoggingTitle() {
        if (logger.isDebugEnabled()) {
            logger.debug("[Multipart Request Parameter]");
        }
    }

    protected void showFormFieldParameter(final DiskFileItem item) {
        if (logger.isDebugEnabled()) {
            logger.debug("[param] {}={}", item.getFieldName(), item.getString());
        }
    }

    }

    @Override
    public QueryBuilder execute(final QueryContext context, final Query query, final float boost) {
        if (query instanceof final BooleanQuery booleanQuery) {
            if (logger.isDebugEnabled()) {
                logger.debug("{}:{}", query, boost);
            }
            return convertBooleanQuery(context, booleanQuery, boost);
        }

            } else {
                lc = new LoginContext(this.serviceName, this);
	    }
            lc.login();

            Subject s = lc.getSubject();
            if ( log.isDebugEnabled() ) {
                log.debug("Got subject: " + s.getPrincipals());
            }
            if ( log.isTraceEnabled() ) {
                log.trace("Got subject " + s);
            }

        if (name == null || scriptEngine == null) {
            throw new IllegalArgumentException("name or scriptEngine is null.");
        }
        if (logger.isDebugEnabled()) {
            logger.debug("Loaded {}", name);
        }
        scriptEngineMap.put(name.toLowerCase(Locale.ROOT), scriptEngine);